org.apache.beam.sdk.extensions.avro.schemas

Class AvroRecordSchema

java.lang.Object

org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

org.apache.beam.sdk.extensions.avro.schemas.AvroRecordSchema

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.schemas.SchemaProvider

public class AvroRecordSchema
extends org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

A SchemaProvider for AVRO generated SpecificRecords and POJOs.

This provider infers a schema from generated SpecificRecord objects, and creates schemas and rows that bind to the appropriate fields. This provider also infers schemas from Java POJO objects, creating a schema that matches that inferred by the AVRO libraries.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AvroRecordSchema()

Method Summary

Modifier and Type	Method and Description
java.util.List<org.apache.beam.sdk.schemas.FieldValueGetter>	fieldValueGetters(java.lang.Class<?> targetClass, org.apache.beam.sdk.schemas.Schema schema)
java.util.List<org.apache.beam.sdk.schemas.FieldValueTypeInformation>	fieldValueTypeInformations(java.lang.Class<?> targetClass, org.apache.beam.sdk.schemas.Schema schema)
<T> org.apache.beam.sdk.schemas.Schema	schemaFor(org.apache.beam.sdk.values.TypeDescriptor<T> typeDescriptor)
org.apache.beam.sdk.schemas.SchemaUserTypeCreator	schemaTypeCreator(java.lang.Class<?> targetClass, org.apache.beam.sdk.schemas.Schema schema)

Methods inherited from class org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

equals, fromRowFunction, hashCode, toRowFunction

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AvroRecordSchema

public AvroRecordSchema()

Method Detail

schemaFor

public <T> org.apache.beam.sdk.schemas.Schema schemaFor(org.apache.beam.sdk.values.TypeDescriptor<T> typeDescriptor)

fieldValueGetters

public java.util.List<org.apache.beam.sdk.schemas.FieldValueGetter> fieldValueGetters(java.lang.Class<?> targetClass,
                                                                                      org.apache.beam.sdk.schemas.Schema schema)

Specified by:

fieldValueGetters in class org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

fieldValueTypeInformations

public java.util.List<org.apache.beam.sdk.schemas.FieldValueTypeInformation> fieldValueTypeInformations(java.lang.Class<?> targetClass,
                                                                                                        org.apache.beam.sdk.schemas.Schema schema)

Specified by:

fieldValueTypeInformations in class org.apache.beam.sdk.schemas.GetterBasedSchemaProvider

schemaTypeCreator

public org.apache.beam.sdk.schemas.SchemaUserTypeCreator schemaTypeCreator(java.lang.Class<?> targetClass,
                                                                           org.apache.beam.sdk.schemas.Schema schema)

Specified by:

schemaTypeCreator in class org.apache.beam.sdk.schemas.GetterBasedSchemaProvider